A device in which mass cultures are grown, reactions take place, and product develops is a(n) ________.
A. sparger
B. activator
C. incubator
D. fermentor
Answer: D
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A mutation in the B genes of Arabidopsis would result in the incorrect formation of what structure?
A. Apical meristem B. Flowers C. Stems D. Roots
In some plants, companion cells become modified into phloem cells that facilitate the short-distance transport of
various organic solutes from the symplast into the apoplast.
a. True b. False
A proto-oncogene that gains function due to amplification, translocation to a more transcriptionally active area of the genome, or a mutation that causes either an increase in function or the suppression of down-regulation, is
A) a pseudo-oncogene. B) recessive. C) dominant. D) an oncogene. E) C and D only
The uncondensed length of human DNA found in chromosomes is _______, whereas a typical cell is 10 µm in length.
a. 5 µm b. 2 µm c. 2 meters d. 20 meters e. 2.54 inches